East Germany built the Berlin Wall to put a permanent stop for the
people to go or get access to the West. This happened during the Cold War when
West Berlin was considered a getaway place for people who want to escape the
rule of communism and flee into democracy that it supported.
Migration, trade, conquest, and pursuit of religious freedom.
Answer:
The Mexican army attacked them. The main cause of the war was the westward expansion of the United States. All through the 19th century Americans believed it was their right to expand westward. At the time they believed they could conquer the people already living on the land and take it for the United States.
Explanation:
